Home / 1,156.32-1,735.25-1,079.43

Finding the Fourth Proportional to 1,156.32, 1,735.25 and 1,079.43

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Solution

The fourth proportional to 1,156.32, 1,735.25 and 1,079.43 is: 1,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.32 : 1,735.25 = 1,079.43 : x
  2. Step 2: Convert to fraction form
    1,156.32/1,735.25 = 1,079.43/x
  3. Step 3: Cross multiply
    1,156.32x = 1,735.25 × 1,079.43
  4. Step 4: Simplify right side
    1,156.32x = 1,873,083.02
  5. Step 5: Solve for x
    x = 1,873,083.02/1,156.32
  6. Step 6: Final answer
    x = 1,619.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.